21939912

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 59639580

約数和(自身を除く): 37699668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 661, 922, 1322, 1383, 1844, 1983, 2644, 2766, 3688, 3966, 4149, 5288, 5532, 5949, 7932, 8298, 11064, 11898, 15864, 16596, 23796, 33192, 47592, 304721, 609442, 914163, 1218884, 1828326, 2437768, 2742489, 3656652, 5484978, 7313304, 10969956, 21939912]

約数ペア:

[(1, 21939912), (2, 10969956), (3, 7313304), (4, 5484978), (6, 3656652), (8, 2742489), (9, 2437768), (12, 1828326), (18, 1218884), (24, 914163), (36, 609442), (72, 304721), (461, 47592), (661, 33192), (922, 23796), (1322, 16596), (1383, 15864), (1844, 11898), (1983, 11064), (2644, 8298), (2766, 7932), (3688, 5949), (3966, 5532), (4149, 5288)]